- return min(nr, (node_page_state(numa_node_id(), NR_INACTIVE_FILE)
- + node_page_state(numa_node_id(), NR_FREE_PAGES)) / 2);
-}
-
-/*
- * Submit IO for the read-ahead request in file_ra_state.
- */
-unsigned long ra_submit(struct file_ra_state *ra,
- struct address_space *mapping, struct file *filp)
-{
- int actual;
-
- actual = __do_page_cache_readahead(mapping, filp,
- ra->start, ra->size, ra->async_size);
-
- return actual;